5 IZA Discussion Papers
IZA Discussion Paper No. 12575
IZA Discussion Paper No. 7235
published in: Journal of Cleaner Production, 2015, 104, 380-391.
IZA Discussion Paper No. 7235
published in: Journal of Cleaner Production, 2015, 104, 380-391.
IZA Discussion Paper No. 4199
published as 'A sequential Malmquist–Luenberger productivity index: Environmentally sensitive productivity growth considering the progressive nature of technology ' in: Energy Economics, 2011, 32 (6), 1345 - 1355
IZA Discussion Paper No. 2689
published in: Health Care Management Science, 2008, 11 (4), 373-381